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CVE-2026-18581

A vulnerability was determined in ggml-org llama.cpp e15efe0. Affected by this issue is some unknown functionality of the file common/jinja/parser.cpp of the component Jinja Minja Template Parser. Executing a manipulation with the input {{9|9|{ can lead to reachable assertion. The attack requires local access. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1214f97377f2627d7c98d3396b4250d338659f577ad8c275631f84987e6070e1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:ggml-org:llama.cpp:*:*:*:*:*:*:*:*"],"modules":["Jinja Minja Template Parser"],"product":"llama.cpp","vendor":"ggml-org","versions":[{"status":"affected","version":"e15efe0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-617","description":"Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"tags":["exploit"],"url":"https://drive.proton.me/urls/R8D8NGZ6Z0#C2cVZYn5z1Xc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/5
{"tags":["product"],"url":"https://github.com/ggml-org/llama.cpp/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/6
{"tags":["issue-tracking"],"url":"https://github.com/ggml-org/llama.cpp/issues/25282"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/4
{"name":"CVE-2026-18581 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-18581"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/2
{"name":"Submit #799118 | ggml-org llama.cpp confirmed commit e15efe0 CWE-617 (Reachable Assertion)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/799118"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://vuldb.com/submit/799118"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/adp/0/references/0
{"name":"VDB-385409 | ggml-org llama.cpp Jinja Minja Template parser.cpp assertion","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/385409"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/0
{"name":"VDB-385409 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/385409/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fa8f9b090040324e7441a17948a28c373cd645554ca4bebf4e0da5e538de8ca · sha256:b68cc2e1edba90f7… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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